kopia lustrzana https://github.com/projecthorus/horusdemodlib
Updated 2 Modem Details (markdown)
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@ -53,14 +53,14 @@ We can string these applications together in the command shell using 'pipes', as
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### Demodulating from a Sound Card
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```
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$ sox -d -r 48k -c 1 -t s16 - | ./horus_demod -m binary - - | python -m horusdemodlib.uploader
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$ sox -d -r 48k -c 1 -t s16 - | ./horus_demod -m binary -g --stats=5 - - | python -m horusdemodlib.uploader
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```
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The above command records from the default sound device.
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### Demodulating using rtl_fm
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This assumes you want to use an rtl-sdr dongle on a headless Linux machine.
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```
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rtl_fm -M raw -F9 -s 48000 -p 0 -f 434645000 | ./horus_demod -q -m binary --fsk_lower=1000 --fsk_upper=10000 - - | python -m horusdemodlib.uploader
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rtl_fm -M raw -F9 -s 48000 -p 0 -f 434645000 | ./horus_demod -q -m binary -g --stats=5 --fsk_lower=1000 --fsk_upper=10000 - - | python -m horusdemodlib.uploader
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```
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Tune 5 kHz below the expected centre frequency (i.e. 434.650 MHz - 5000 Hz = 434.645000 MHz = 434645000 Hz, as above), and make sure your dongle has a known PPM adjustment.
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